Question

Afla valoarea lui a din urmatoarea expresie matematica:   10×{a-10×[362+10×(24+24 :4)]}=99+10:10.

Answer 1

10x{a-10x[362+10x(24+6)]}=100
10x[a-10x(362+10x30)]=100
10x[a-10x(362+300)]=100
10x(a-10x662)=100
10x(a-6620)=100
10a-66200=100
10a=100+66200
10a=66300 |:10
a=6630